Sample Information

SWA004
SWA004
Netherlands_Swifterbant_EN
4105 BC
M
Netherlands
-
Swifterbant S2 (Flevoland, Dronten, Swifterbant); Swifterbant S2; Swifterbant; Dronten, Flevoland

Haplogroups

I2a1a2
U5b2a1a2
I β€Ί L758 β€Ί M170 β€Ί P215 β€Ί CTS2257 β€Ί L460 β€Ί P37 β€Ί M423 β€Ί S2770 β€Ί V4921
4200-4000 BCE

Ancestry Components

Estimated ancestral proportions from ancient reference populations
ANF
55.1%
WHG
38.1%
Steppe
4.7%
EHG
2.1%

Publication

Olalde et al. 2026; OlaldeReichNature2026

G25 Coordinates

Download the G25 scaled coordinates for this sample to use in calculators like GEDmatch, Vahaduo, or our own calculators.

Download G25 (.txt)

G25 Ancestry Model Cached

Poor Β· Distance: 0.0408

Model based on Davidski's G25 standard reference populations (nMonte-style optimization).

TUR_Barcin_N 53.9%
WHG 46.1%

Ancient Population Distances

Closest ancient reference populations
Belgium_MLN
0.0255
Czechia_C_Baalberge_o1
0.0405
Belgium_Pommerœul_LN
0.0504
Czechia_EBA_CordedWare_o2
0.0672
Denmark_Jutland_Pre_Roman_IA
0.0677
Czechia_N_Rivnac_oWHG
0.0680
Denmark_Falster_N
0.0702
Czechia_N_Jordanow
0.0770
Czechia_N_GlobularAmphora
0.0784
Denmark_Funen_N
0.0804

Modern Population Distances

Closest modern reference populations (G25 Euclidean distance)
Basque_Spain_Navarre_Northwest_(n=11)
0.1028
Basque_Spain_Gipuzkoa_Tolosa_(n=9)
0.1037
Basque_Spain
0.1037
Basque_Spain_Gipuzkoa_Southwest_(n=11)
0.1041
Basque_France_Labourd_(n=11)
0.1042
Basque_France
0.1061
Basque_France_Soule_(n=11)
0.1063
Basque_Spain_Navarre_Roncal_(n=11)
0.1063
Basque_France_Lower_Navarre_(n=11)
0.1064
Basque_Spain_Biscay_(n=11)
0.1066

Modern Population Genetic Proximity

Heatmap based on G25 Euclidean distance to 3,000+ modern populations

Archaeological Site Location

52.5839, 5.5817

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